/* PC 直播回放页 */
.page-live-replay .pc-main {
  padding: 24px 0 64px;
}

.page-live-replay .cd-breadcrumb {
  margin-bottom: 24px;
}

.lr-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 24px;
  align-items: start;
}

/* 播放器 */
.lr-player-wrap {
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.lr-screen {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.65);
}

.lr-screen__cover {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  z-index: 0;
}

.lr-screen__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 1;
  background: #000;
}

.lr-screen.is-playing .lr-screen__cover,
.lr-screen.is-playing .lr-screen__play {
  opacity: 0;
  pointer-events: none;
}

.lr-screen__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 4px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

.lr-screen__play {
  position: relative;
  z-index: 3;
  border: none;
  background: none;
  padding: 0;
  color: #fff;
  font-size: 64px;
  line-height: 1;
  cursor: pointer;
  transition: transform var(--transition);
}

.lr-screen__play:hover {
  transform: scale(1.06);
}

.lr-screen__tip {
  position: relative;
  z-index: 2;
  margin: 0;
  font-size: 14px;
}

.lr-screen--locked {
  gap: 12px;
}

.lr-screen__lock {
  position: relative;
  z-index: 2;
  font-size: 48px;
  color: rgba(255, 255, 255, 0.8);
}

.lr-screen__login {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 8px;
  background: #fff;
  color: #6b2424;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.lr-screen__login:hover {
  color: #6b2424;
  opacity: 0.92;
}

.lr-screen__actions {
  position: absolute;
  right: 16px;
  bottom: 16px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
}

.lr-screen__action {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.lr-screen__action:hover {
  background: rgba(0, 0, 0, 0.65);
}

.lr-speed {
  position: relative;
}

.lr-speed__btn {
  height: 40px;
  padding: 0 12px;
  border: none;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition);
}

.lr-speed__btn:hover {
  background: rgba(0, 0, 0, 0.65);
}

.lr-speed__menu {
  position: absolute;
  right: 0;
  bottom: calc(100% + 8px);
  min-width: 88px;
  padding: 6px;
  border-radius: 8px;
  background: rgba(26, 35, 50, 0.95);
  box-shadow: var(--shadow-md);
}

.lr-speed__menu button {
  display: block;
  width: 100%;
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  background: none;
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  text-align: left;
  cursor: pointer;
}

.lr-speed__menu button:hover,
.lr-speed__menu button.active {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.lr-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px 12px;
  background: #111;
}

.lr-progress__track {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
}

.lr-progress__played {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  width: 0;
}

.lr-progress__time {
  flex-shrink: 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.75);
  font-variant-numeric: tabular-nums;
}

/* 基本信息 */
.lr-summary {
  margin-top: 20px;
  padding: 20px 24px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.lr-summary__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.lr-summary__title {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
}

.lr-summary__back {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  padding-top: 4px;
}

.lr-summary__back:hover {
  color: var(--accent);
}

.lr-summary__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--text-secondary);
}

.lr-summary__meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.lr-summary .ld-teacher {
  margin-bottom: 14px;
}

.lr-summary__desc {
  margin: 0;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

#metaDuration em {
  font-style: normal;
  font-weight: 600;
}

/* 回放列表 */
.lr-playlist {
  margin-top: 16px;
  padding: 16px 20px 12px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.lr-playlist__head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 700;
}

.lr-playlist__head span {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
}

.lr-playlist__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lr-playlist__item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: var(--bg-subtle);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.lr-playlist__item:hover {
  border-color: var(--border);
}

.lr-playlist__item.is-playing {
  background: var(--accent-soft);
  border-color: transparent;
}

.lr-playlist__index {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
}

.lr-playlist__item.is-playing .lr-playlist__index {
  color: #fff;
  background: var(--accent);
}

.lr-playlist__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lr-playlist__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lr-playlist__meta {
  font-size: 12px;
  color: var(--text-muted);
}

.lr-playlist__badge {
  display: none;
  flex-shrink: 0;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
}

.lr-playlist__item.is-playing .lr-playlist__badge {
  display: inline-flex;
}

.lr-playlist__play {
  flex-shrink: 0;
  font-size: 18px;
  color: var(--accent);
}

.lr-playlist__item.is-playing .lr-playlist__play {
  display: none;
}

/* 侧栏 */
.lr-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 16px);
  display: flex;
  flex-direction: column;
  min-height: 520px;
  max-height: calc(100vh - var(--header-h) - 48px);
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.lr-tabs {
  display: flex;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}

.lr-tab {
  flex: 1;
  padding: 14px 12px;
  border: none;
  background: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  position: relative;
  transition: color var(--transition);
}

.lr-tab:hover {
  color: var(--text-secondary);
}

.lr-tab.active {
  color: var(--primary);
}

.lr-tab.active::after {
  content: '';
  position: absolute;
  left: 20%;
  right: 20%;
  bottom: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px 2px 0 0;
}

.lr-panel {
  display: none;
  flex: 1;
  min-height: 0;
  flex-direction: column;
}

.lr-panel.active {
  display: flex;
}

.lr-panel--intro {
  overflow-y: auto;
  padding: 20px;
}

.lr-intro__body p {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.lr-intro__body h3 {
  margin: 20px 0 10px;
  font-size: 16px;
  font-weight: 600;
}

.lr-intro__body ul {
  margin: 0 0 14px;
  padding-left: 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.lr-intro__body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.lr-intro-figure {
  margin: 0 0 16px;
}

.lr-intro-figure img {
  width: 100%;
  border-radius: var(--radius);
  display: block;
}

.lr-intro-figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

.lr-panel--messages {
  min-height: 0;
}

.lr-msg-list {
  flex: 1;
  overflow-y: auto;
  padding: 16px 16px 8px;
}

.lr-msg {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.lr-msg__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.lr-msg__avatar-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-subtle);
  color: var(--text-muted);
  font-size: 14px;
}

.lr-msg-empty {
  margin: 24px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

.lr-msg__body {
  flex: 1;
  min-width: 0;
}

.lr-msg__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}

.lr-msg__user {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.lr-msg__tag {
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
}

.lr-msg__time {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--text-muted);
}

.lr-msg__text {
  margin: 0;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  word-break: break-word;
}

.lr-msg--host .lr-msg__user {
  color: var(--primary);
}

.lr-msg-bar {
  flex-shrink: 0;
  display: flex;
  gap: 8px;
  padding: 12px 16px 16px;
  border-top: 1px solid var(--border);
}

.lr-msg-bar__input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  outline: none;
  background: var(--bg-subtle);
}

.lr-msg-bar__input:focus {
  border-color: var(--accent);
  background: #fff;
}

.lr-msg-bar__send {
  flex-shrink: 0;
  padding: 0 18px;
  border: none;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition);
}

.lr-msg-bar__send:hover {
  opacity: 0.92;
}

.lr-toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  padding: 10px 20px;
  border-radius: 8px;
  background: rgba(26, 35, 50, 0.92);
  color: #fff;
  font-size: 14px;
  z-index: 300;
}

.lr-toast[hidden] {
  display: none;
}

@media (max-width: 1024px) {
  .lr-layout {
    grid-template-columns: 1fr;
  }

  .lr-sidebar {
    position: static;
    max-height: 480px;
  }
}

@media (max-width: 640px) {
  .lr-summary__head {
    flex-direction: column;
  }

  .lr-summary__title {
    font-size: 20px;
  }
}